Metabolomics and lipidomics are new drivers of the omics era as molecular signatures and
selected analytes allow phenotypic characterization and serve as biomarkers, respectively …

Diagnostic gas‐phase ion‐molecule reactions serve as a powerful alternative to collision‐
activated dissociation for the structural elucidation of analytes when using tandem mass …

In solution, the most basic site in 4-aminobenzoic acid is the amino nitrogen, while the
carboxylic acid oxygen is the most basic site in the gas phase. However, the protonation site …

Substituted ureas correspond to a class of organic compounds commonly used in
agricultural and chemical fields. However, distinguishing between different ureas and …

Diagnostic and predictable gas-phase ion–molecule reactions have emerged as a potential
alternative to collision-activated dissociation in tandem mass spectrometry (MS2) …

Drug formulations such as spray drying are often required to improve the physicochemical
properties and bioavailability of hydrophobic drugs. However, excipients often carry …

Gas‐phase reactions of mass‐selected ions with neutrals covers a very broad area of
fundamental and applied mass spectrometry (MS). Oftentimes, ion‐molecule reactions (IMR) …

Gas-phase ion/molecule reactions have been used extensively for the structural elucidation
of organic compounds in tandem mass spectrometry. Reagents for ion/molecule reactions …

The most basic site of 4-aminobenzoic acid in aqueous solution is the amino nitrogen, while
the carbonyl oxygen is calculated to be the most basic site in the gas phase. However, the …

Rationale There are a growing number of examples of protomers formed via electrospray
ionization (ESI) that do not fragment under mobile proton conditions, giving rise to distinct …